File: //usr/share/php/Symfony/Bundle/SecurityBundle/Resources/config/templating_twig.xml
<?xml version="1.0" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">
<services>
<defaults public="false" />
<service id="twig.extension.logout_url" class="Symfony\Bridge\Twig\Extension\LogoutUrlExtension">
<tag name="twig.extension" />
<argument type="service" id="security.logout_url_generator" />
</service>
<service id="twig.extension.security" class="Symfony\Bridge\Twig\Extension\SecurityExtension">
<tag name="twig.extension" />
<argument type="service" id="security.authorization_checker" on-invalid="ignore" />
</service>
</services>
</container>